<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>首页</title>
	</head>
	<body>
		<p>
                   <a href="1.html" target="_blank">练习1：网易邮箱登录页面</a>
                </p>
		<p>
                   <a href="2.html" target="_blank">练习2：人人网注册页面</a>
                </p>
		<p><a href="3.html" target="_blank">练习3：阿里巴巴注册页面</a></p>
		<p><a href="4.html" target="_blank">练习4：QQ注册验证</a></p>
	</body>
</html>
		